/*
 * Summary: XML Schemastron implementation
 * Description: interface to the XML Schematron validity checking.
 *
 * Copy: See Copyright for the status of this software.
 *
 * Author: Daniel Veillard
 */


#ifndef __XML_SCHEMATRON_H__
#define __XML_SCHEMATRON_H__

#include <libxml/xmlversion.h>

#ifdef LIBXML_SCHEMATRON_ENABLED

#include <libxml/tree.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef enum {
    XML_SCHEMATRON_OUT_QUIET = 1 << 0,    /* quiet no report */
    XML_SCHEMATRON_OUT_TEXT = 1 << 1,    /* build a textual report */
    XML_SCHEMATRON_OUT_XML = 1 << 2,    /* output SVRL */
    XML_SCHEMATRON_OUT_ERROR = 1 << 3,  /* output via xmlStructuredErrorFunc */
    XML_SCHEMATRON_OUT_FILE = 1 << 8,    /* output to a file descriptor */
    XML_SCHEMATRON_OUT_BUFFER = 1 << 9,    /* output to a buffer */
    XML_SCHEMATRON_OUT_IO = 1 << 10    /* output to I/O mechanism */
} xmlSchematronValidOptions;

/**
 * The schemas related types are kept internal
 */
typedef struct _xmlSchematron xmlSchematron;
typedef xmlSchematron *xmlSchematronPtr;

/**
 * xmlSchematronValidityErrorFunc:
 * @ctx: the validation context
 * @msg: the message
 * @...: extra arguments
 *
 * Signature of an error callback from a Schematron validation
 */
typedef void (*xmlSchematronValidityErrorFunc) (void *ctx, const char *msg, ...);

/**
 * xmlSchematronValidityWarningFunc:
 * @ctx: the validation context
 * @msg: the message
 * @...: extra arguments
 *
 * Signature of a warning callback from a Schematron validation
 */
typedef void (*xmlSchematronValidityWarningFunc) (void *ctx, const char *msg, ...);

/**
 * A schemas validation context
 */
typedef struct _xmlSchematronParserCtxt xmlSchematronParserCtxt;
typedef xmlSchematronParserCtxt *xmlSchematronParserCtxtPtr;

typedef struct _xmlSchematronValidCtxt xmlSchematronValidCtxt;
typedef xmlSchematronValidCtxt *xmlSchematronValidCtxtPtr;

/*
 * Interfaces for parsing.
 */
XMLPUBFUN xmlSchematronParserCtxtPtr XMLCALL 
        xmlSchematronNewParserCtxt    (const char *URL);
XMLPUBFUN xmlSchematronParserCtxtPtr XMLCALL 
        xmlSchematronNewMemParserCtxt(const char *buffer,
                     int size);
XMLPUBFUN xmlSchematronParserCtxtPtr XMLCALL
        xmlSchematronNewDocParserCtxt(xmlDocPtr doc);
XMLPUBFUN void XMLCALL        
        xmlSchematronFreeParserCtxt    (xmlSchematronParserCtxtPtr ctxt);
/*****
XMLPUBFUN void XMLCALL        
        xmlSchematronSetParserErrors(xmlSchematronParserCtxtPtr ctxt,
                     xmlSchematronValidityErrorFunc err,
                     xmlSchematronValidityWarningFunc warn,
                     void *ctx);
XMLPUBFUN int XMLCALL
        xmlSchematronGetParserErrors(xmlSchematronParserCtxtPtr ctxt,
                    xmlSchematronValidityErrorFunc * err,
                    xmlSchematronValidityWarningFunc * warn,
                    void **ctx);
XMLPUBFUN int XMLCALL
        xmlSchematronIsValid    (xmlSchematronValidCtxtPtr ctxt);
 *****/
XMLPUBFUN xmlSchematronPtr XMLCALL    
        xmlSchematronParse        (xmlSchematronParserCtxtPtr ctxt);
XMLPUBFUN void XMLCALL        
        xmlSchematronFree        (xmlSchematronPtr schema);
/*
 * Interfaces for validating
 */
XMLPUBFUN void XMLCALL
        xmlSchematronSetValidStructuredErrors(
                                      xmlSchematronValidCtxtPtr ctxt,
                      xmlStructuredErrorFunc serror,
                      void *ctx);
/******
XMLPUBFUN void XMLCALL        
        xmlSchematronSetValidErrors    (xmlSchematronValidCtxtPtr ctxt,
                     xmlSchematronValidityErrorFunc err,
                     xmlSchematronValidityWarningFunc warn,
                     void *ctx);
XMLPUBFUN int XMLCALL
        xmlSchematronGetValidErrors    (xmlSchematronValidCtxtPtr ctxt,
                     xmlSchematronValidityErrorFunc *err,
                     xmlSchematronValidityWarningFunc *warn,
                     void **ctx);
XMLPUBFUN int XMLCALL
        xmlSchematronSetValidOptions(xmlSchematronValidCtxtPtr ctxt,
                     int options);
XMLPUBFUN int XMLCALL
        xmlSchematronValidCtxtGetOptions(xmlSchematronValidCtxtPtr ctxt);
XMLPUBFUN int XMLCALL
            xmlSchematronValidateOneElement (xmlSchematronValidCtxtPtr ctxt,
                             xmlNodePtr elem);
 *******/

XMLPUBFUN xmlSchematronValidCtxtPtr XMLCALL    
        xmlSchematronNewValidCtxt    (xmlSchematronPtr schema,
                         int options);
XMLPUBFUN void XMLCALL            
        xmlSchematronFreeValidCtxt    (xmlSchematronValidCtxtPtr ctxt);
XMLPUBFUN int XMLCALL            
        xmlSchematronValidateDoc    (xmlSchematronValidCtxtPtr ctxt,
                     xmlDocPtr instance);

#ifdef __cplusplus
}
#endif

#endif /* LIBXML_SCHEMATRON_ENABLED */
#endif /* __XML_SCHEMATRON_H__ */
